Plastic Butterfly Valves, Type 56











ISO 9001:2000 Certified


Plastic Elastomer Seated Butterfly Valves
Type 57, Type 56 & TB Series

Elastomer seated butterfly valves are available up to 24" The newly designed Type 57 incorporates moulded body gussets to prevent overtighening of the seat, a redesigned spherical disc for better sealing and increased Cv values and a new plastic gear operator for better corrosion resistance. It maintains the features of the Type 56’s “top flange” and shaft conforming to ISO for standardized actuator mounting and the handlever which no longer has external metal parts. These valves offer a large range of sizes and selection of body, disc and seat materials. This allows them into a wide range of on/off or throttling control applications.

Sizes up to 24"
Updated version of Type 56*
Easy Actuator Mounting**

Elastomer Seated
PVC, PP, PVDF

Series & Sizes: Type 57: 1-1/2" to 14"
Type 56: 16"
TB Series: 18" to 24"
Body Type: Semi Lug Wafer***
Materials:

Body: PVC, PP or PVDF
Disc: PP (Standard), PVC, PVDF, Seat & O-rings:EPDM, Viton

* Type 57 only.
**
ISO dimnsional "top flange" (Type 56 & Type 57").
*** Full SS lug bodies are available as an option.

Elastomer Seated Butterfly Valve
Data Page
Type 56 Butterfly Valve Data Page
(1-1/2" to 14") For Information Only
Type 57 Installation and Maintenance Manual
Type 56 Installation and Maintenance Manual




Type 57 with
HandLever:
1-1/2" to 14"


Type 57 with
Gear Operator:
8" to 14"


Type 56 with
Gear Operator:
16" Only


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